Limbic lesions and the blocking effect.
D000818:Animals; D001245:Association Learning / Q000502:physiology*; D001931:Brain Mapping; D003214:Conditioning, Classical; D003213:Conditioning, Psychological; D006624:Hippocampus / Q000502:physiology*; D007858:Learning / Q000502:physiology*; D008032:Limbic System / Q000473:pathology*; D008297:Male; D008326:Mammillary Bodies / Q000502:physiology; D051381:Rats; D013788:Thalamus / Q000502:physiology*